Home / 8,149.85-11,247.02-4,612.98

Finding the Fourth Proportional to 8,149.85, 11,247.02 and 4,612.98

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Solution

The fourth proportional to 8,149.85, 11,247.02 and 4,612.98 is: 6,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.85 : 11,247.02 = 4,612.98 : x
  2. Step 2: Convert to fraction form
    8,149.85/11,247.02 = 4,612.98/x
  3. Step 3: Cross multiply
    8,149.85x = 11,247.02 × 4,612.98
  4. Step 4: Simplify right side
    8,149.85x = 51,882,255.25
  5. Step 5: Solve for x
    x = 51,882,255.25/8,149.85
  6. Step 6: Final answer
    x = 6,366.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.